Description
Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)
Published: 2026-05-06
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History

Sat, 09 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title Chrome DevTools Policy Enforce Flaw Enables Cross-Origin Data Leak chromium-browser: Insufficient policy enforcement in DevTools
Weaknesses CWE-1220
References
Metrics threat_severity

None

threat_severity

Low


Thu, 07 May 2026 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Thu, 07 May 2026 04:45:00 +0000

Type Values Removed Values Added
Title Chrome DevTools Policy Enforce Flaw Enables Cross-Origin Data Leak

Thu, 07 May 2026 01:15:00 +0000

Type Values Removed Values Added
Title Insufficient DevTools Policy Enforcement Allows Malicious Extension to Leak Cross‑Origin Data
Weaknesses CWE-200
CWE-284

Wed, 06 May 2026 22:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 06 May 2026 21:15:00 +0000

Type Values Removed Values Added
Title Insufficient DevTools Policy Enforcement Allows Malicious Extension to Leak Cross‑Origin Data
First Time appeared Google
Google chrome
Weaknesses CWE-200
CWE-284
Vendors & Products Google
Google chrome

Wed, 06 May 2026 18:30:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-05-06T21:47:59.531Z

Reserved: 2026-05-05T22:59:32.810Z

Link: CVE-2026-8004

cve-icon Vulnrichment

Updated: 2026-05-06T21:21:11.573Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-06T19:16:51.390

Modified: 2026-05-07T13:54:23.817

Link: CVE-2026-8004

cve-icon Redhat

Severity : Low

Publid Date: 2026-05-05T00:00:00Z

Links: CVE-2026-8004 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-09T04:45:26Z

Weaknesses